Definitions for: Biquadratic


[n] a polynomial of the fourth degree
[n] and equation of the fourth degree
[n] an algebraic equation of the fourth degree
[adj] of or relating to the fourth power



Webster (1913) Definition: Bi`quad*rat"ic, a. [Pref. bi- + quadratic: cf. F.
biquadratique.] (Math.)
Of or pertaining to the biquadrate, or fourth power.

Biquadratic equation (Alg.), an equation of the fourth
degree, or an equation in some term of which the unknown
quantity is raised to the fourth power.

Biquadratic root of a number, the square root of the square
root of that number. Thus the square root of 81 is 9, and
the square root of 9 is 3, which is the biquadratic root
of 81. Hutton.


Bi`quad*rat"ic, n. (Math.)
(a) A biquadrate.
(b) A biquadratic equation.

Synonyms: biquadrate, biquadratic equation, biquadratic polynomial, fourth power, quartic, quartic polynomial

See Also: equation, number, polynomial

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